/*
 * Copyright (c) 2000, 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 *
 *
 */

package com.sun.corba.se.impl.protocol.giopmsgheaders;

import org.omg.CORBA.INTERNAL;
import org.omg.CORBA.CompletionStatus;
import org.omg.CORBA.SystemException;

import com.sun.corba.se.spi.ior.IOR;
import com.sun.corba.se.spi.ior.IORFactories;

import com.sun.corba.se.spi.orb.ORB;

import com.sun.corba.se.spi.ior.iiop.GIOPVersion;
import com.sun.corba.se.impl.encoding.CDRInputStream;

import com.sun.corba.se.spi.logging.CORBALogDomains;
import com.sun.corba.se.impl.logging.ORBUtilSystemException;

/**
 * This implements the GIOP 1.1 LocateReply header.
 *
 * @author Ram Jeyaraman 05/14/2000
 */

public final class LocateReplyMessage_1_1 extends Message_1_1
    implements LocateReplyMessage {

  // Instance variables

  private ORB orb = null;
  private int request_id = (int) 0;
  private int reply_status = (int) 0;
  private IOR ior = null;

  // Constructors

  LocateReplyMessage_1_1(ORB orb) {
    this.orb = orb;
  }

  LocateReplyMessage_1_1(ORB orb, int _request_id,
      int _reply_status, IOR _ior) {
    super(Message.GIOPBigMagic, GIOPVersion.V1_1, FLAG_NO_FRAG_BIG_ENDIAN,
        Message.GIOPLocateReply, 0);
    this.orb = orb;
    request_id = _request_id;
    reply_status = _reply_status;
    ior = _ior;
  }

  // Accessor methods

  public int getRequestId() {
    return this.request_id;
  }

  public int getReplyStatus() {
    return this.reply_status;
  }

  public short getAddrDisposition() {
    return KeyAddr.value;
  }

  public SystemException getSystemException(String message) {
    return null; // 1.0 LocateReply body does not contain SystemException
  }

  public IOR getIOR() {
    return this.ior;
  }

  // IO methods

  public void read(org.omg.CORBA.portable.InputStream istream) {
    super.read(istream);
    this.request_id = istream.read_ulong();
    this.reply_status = istream.read_long();
    isValidReplyStatus(this.reply_status); // raises exception on error

    // The code below reads the reply body if status is OBJECT_FORWARD
    if (this.reply_status == OBJECT_FORWARD) {
      CDRInputStream cdr = (CDRInputStream) istream;
      this.ior = IORFactories.makeIOR(cdr);
    }
  }

  // Note, this writes only the header information. SystemException or
  // IOR may be written afterwards into the reply mesg body.
  public void write(org.omg.CORBA.portable.OutputStream ostream) {
    super.write(ostream);
    ostream.write_ulong(this.request_id);
    ostream.write_long(this.reply_status);
  }

  // Static methods

  public static void isValidReplyStatus(int replyStatus) {
    switch (replyStatus) {
      case UNKNOWN_OBJECT:
      case OBJECT_HERE:
      case OBJECT_FORWARD:
        break;
      default:
        ORBUtilSystemException localWrapper = ORBUtilSystemException.get(
            CORBALogDomains.RPC_PROTOCOL);
        throw localWrapper.illegalReplyStatus(CompletionStatus.COMPLETED_MAYBE);
    }
  }

  public void callback(MessageHandler handler)
      throws java.io.IOException {
    handler.handleInput(this);
  }
} // class LocateReplyMessage_1_1
